Which state of matter are molecules moving the slowest?
Phases of matter
| A | B |
|---|---|
| molecules move the slowest in this state | solid |
| molecules move around each other in this state | liquid |
| molecules can escape their container in this state | gas or plasma |
| this state of matter is the most common in the universe | plasma |
Why is liquid at room temperature?
Water at room temperature is liquid due to the presence of hydrogen bond. These bonds hold water molecules together for small fractions of a second. Water molecules move continuously. In gaseous matter there is random movement.
Which of the following is liquid at room temperature?
The only liquid elements at standard temperature and pressure are bromine (Br) and mercury (Hg). Although, elements caesium (Cs), rubidium (Rb), Francium (Fr) and Gallium (Ga) become liquid at or just above room temperature.
Is liquid at room temperature?
Room temperature is a loosely defined term that can mean anywhere from 20°C to 29°C. At this temperature and ordinary pressure, only two elements are liquids: Bromine. Mercury.
How do you know if a substance is liquid at room temperature?
Physical States — Melting Points, Boiling Points, and Densities. In the periodic table above, black squares indicate elements which are solids at room temperature (about 22ºC)*, those in blue squares are liquids at room temperature, and those in red squares are gases at room temperature.
What are 3 substances that are liquids at room temperature?
Liquids around room temperature. The only liquid elements at standard temperature and pressure are bromine (Br) and mercury (Hg). Although, elements caesium (Cs), rubidium (Rb), Francium (Fr) and Gallium (Ga) become liquid at or just above room temperature.
Is Decane a liquid at room temperature?
As the name implies hydrocarbons consist of only hydrogen and carbon atoms….Hydrocarbons (Alkanes)
| Formula (state at room temperature) | Name | |
|---|---|---|
| C8H18 (liquid) | octane | oct = 8 |
| C9H20 (liquid) | nonane | non = 9 |
| C10H22 (liquid) | decane | dec = 10 |
| C18H38 (solid) | octadecane | octadec = 18 |
Which alkanes are liquid at room temperature?
Methane,ethane,propane and butane are gases at room temperature while higher alkanes from pentane till C-17 alkanes are liquids;and after C-18 they are solids.
Is nonane a liquid at room temperature?
Nonane is an alkane that has a chemical formula of C9H20 C 9 H 20 . Hence, nonane exists as a liquid at room temperature.
Which alkane is not liquid at room temperature?
The alkanes can exist as gases, liquids, or solids at room temperature. The unbranched alkanes methane, ethane, propane, and butane are gases; pentane through hexadecane are liquids; the homologues larger than hexadecane are solids.
What is the name of the non which exists in liquid state at room temperature?
Bromine is non metal which exists in liquid state at room temperature.